__1___ than one hundred years ago, there was a great French physicist (物理学家) named Ampere.

One day, Mr. Ampere went out ___2__ a walk in the street. There was a lot of people and _3____ traffic there. But all these were __4___ to him. He was only thinking about a math ___5__. He had no paper with him. How __6__ he do it?

Just then he saw a blackboard in front of __7___. So he took out a piece of chalk(粉笔)and ___8___ his problem on it. The blackboard moved a ___9___, but he didn’t noticed (注意) it. The blackboard moved on, and he moved on. Then the blackboard moved faster and faster. At last he couldn’t ___10____ it. He stopped and found it was not a blackboard. It was a carriage (马车). 

(  ) 1. A. More       B. Many        C. Over

(  ) 2. A. for        B. to          C. of

(  ) 3. A. much       B. many        C. a lot

(  ) 4. A. nothing      B. anything       C. everything

(  ) 5. A. problem      B. question       C. answer

(  ) 6. A. could       B. can         C. will

(  ) 7. A. he         B. him         C. himself

(  ) 8. A. write       B. wrote         C. writing

(  ) 9. A. few        B. little         C. lot

(  ) 10. A. run after     B. catch up with      C. catch up of

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